<template>
  <div class='icons'>
    <swiper :options="swiperOption">
      <swiper-slide v-for='(page, index) of pages' :key='index'>
        <div class='icon' v-for='item of page' :key='item.id'>
          <div class='icon-img'>
            <img class='icon-img-content' :src='item.imgUrl' />
          </div>
          <p class='icon-desc'>{{ item.desc }}</p>
        </div>
      </swiper-slide>
    </swiper>
  </div>
</template>

<script>
export default {
  name: 'HomeIcons',
  props: {
    list: Array
  },
  data () {
    return {
      swiperOption: {
        autoplay: false
      }
    }
  },
  computed: {
    pages () {
      const pages = []
      this.list.forEach((item, index) => {
        const page = Math.floor(index / 8)
        if (!pages[page]) pages[page] = []
        pages[page].push(item)
      })
      return pages
    }
  }
}
</script>

<style lang='stylus' scoped>
@import '~styles/varibles.styl';
@import '~styles/mixins.styl';

.icons >>> .swiper-container {
  height: 0;
  padding-bottom: 50%;
}

.icon {
  position: relative;
  float: left;
  width: 25%;
  padding-bottom: 25%;
  heigh: 0;

  .icon-img {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0.44rem;
    box-sizing: border-box;
    padding: 0.1rem;

    .icon-img-content {
      height: 100%;
      display: block;
      margin: 0 auto;
    }
  }

  .icon-desc {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 0.44rem;
    line-height: 0.44rem;
    color: $darkTextColor;
    text-align: center;
    ellipsis();
  }
}
</style>
